package com.newStart.proxyDemo.staticProxy;

import java.math.BigDecimal;

/**
 * Project: tobe-better-coder
 * Package: com.newStart.staticProxy
 *
 * @author : Mr.xu
 * @date : 2022/8/15 23:08
 */
public interface UsbSell {
    BigDecimal sell(int amount);
}
